FEATURES
White amorphous powder, relative density 4.3-4.7, melting point 1580, nontoxic, almost insoluble in water, ethanol and acid, soluble in hot and concentrated sulfuric acid. Dried, it is easy to conglomerate.
MAIN USAGE
Used as raw materials or fillers of paint, printing ink, plastics, rubber and battery, surface coating agent of photographic...